[vk] fix macos comp errors

Signed-off-by: crueter <crueter@eden-emu.dev>

src/video_core/renderer_vulkan/vk_texture_cache.cpp

@@ -1373,8 +1373,8 @@ void TextureCacheRuntime::CopyImage(Image& dst, Image& src,
     // these images that aren't size-compatible
     if (BytesPerBlock(src.info.format) != BytesPerBlock(dst.info.format)) {
         auto oneCopy = VideoCommon::ImageCopy{
-            .src_offset = VideoCommon::Offset3D(0, 0, 0),
-            .dst_offset = VideoCommon::Offset3D(0, 0, 0),
+            .src_offset = VideoCommon::Offset3D{0, 0, 0},
+            .dst_offset = VideoCommon::Offset3D{0, 0, 0},
             .extent = dst.info.size
         };
         return ReinterpretImage(dst, src, std::span{&oneCopy, 1});